Measurements:
°C
°F
CURRENT WEATHER
14:54
Hilo
80°F
S 11 mph
Feels like: 84°F
Precip: 19%
World Resorts USA Hilo Weather

7 Day Weather Forecast

10.05
mon
DAY
80°F
SW 11 mph
precip
18%
NIGHT
80°F
SW 6 mph
precip
18%
10.06
tue
DAY
80°F
W 6 mph
precip
6%
NIGHT
80°F
NW 3 mph
precip
12%
10.07
wed
DAY
80°F
W 9 mph
precip
19%
NIGHT
80°F
N 8 mph
precip
7%
10.08
thu
DAY
82°F
NW 20 mph
precip
7%
NIGHT
80°F
N 16 mph
precip
21%
10.09
fri
DAY
84°F
NW 19 mph
precip
18%
NIGHT
80°F
N 9 mph
precip
8%
10.10
sat
DAY
82°F
NW 11 mph
precip
32%
NIGHT
80°F
NW 6 mph
precip
13%
10.11
sun
DAY
80°F
W 7 mph
precip
19%
NIGHT
80°F
E 3 mph
precip
9%

Hilo Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Hilo was 26.9°F. The maximum and minimum values were 26.5°F and 27.1°F respectively.

Hilo on the Weather Map

Best Time to Visit Hilo
The most sunny months:
January 17 days
October 15 days
June 14 days
The most warm months:
September 81.3 °F
August 81.1 °F
October 81.0 °F
Warmest sea temperature:
September 83.8 °F
October 83.3 °F
August 83.2 °F
The most cold months:
March 75.8 °F
February 75.9 °F
April 76.0 °F
The most rainy months:
March 6 days
November 5 days
February 5 days
The most windy months:
March 8 mph
April 8 mph
August 8 mph
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